/**
 * Copyright (C) 2012 Moxie Marlinspike
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.appspot.eusms.database.model;

import android.content.Context;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.style.StyleSpan;

import com.appspot.eusms.database.MmsSmsColumns;
import com.appspot.eusms.database.SmsDatabase;
import com.appspot.eusms.recipients.Recipients;
import com.appspot.eusms.util.GroupUtil;

import com.appspot.eusms.R;

import org.whispersystems.textsecure.util.Util;

/**
 * The message record model which represents thread heading messages.
 *
 * @author Moxie Marlinspike
 */
public class ThreadRecord extends DisplayRecord {

    private final Context context;
    private final long count;
    private final boolean read;
    private final int distributionType;

    public ThreadRecord(Context context, Body body, Recipients recipients, long date,
                        long count, boolean read, long threadId, long snippetType,
                        int distributionType) {
        super(context, body, recipients, date, date, threadId, snippetType);
        this.context = context.getApplicationContext();
        this.count = count;
        this.read = read;
        this.distributionType = distributionType;
    }

    @Override
    public SpannableString getDisplayBody() {
        if (SmsDatabase.Types.isDecryptInProgressType(type)) {
            return emphasisAdded(context.getString(R.string.MessageDisplayHelper_decrypting_please_wait));
        } else if (isGroupUpdate()) {
            return emphasisAdded(GroupUtil.getDescription(getBody().getBody()));
        } else if (isGroupQuit()) {
            return emphasisAdded(context.getString(R.string.ThreadRecord_left_the_group));
        } else if (isKeyExchange()) {
            return emphasisAdded(context.getString(R.string.ConversationListItem_key_exchange_message));
        } else if (SmsDatabase.Types.isFailedDecryptType(type)) {
            return emphasisAdded(context.getString(R.string.MessageDisplayHelper_bad_encrypted_message));
        } else if (SmsDatabase.Types.isNoRemoteSessionType(type)) {
            return emphasisAdded(context.getString(R.string.MessageDisplayHelper_message_encrypted_for_non_existing_session));
        } else if (!getBody().isPlaintext()) {
            return emphasisAdded(context.getString(R.string.MessageNotifier_encrypted_message));
        } else if (SmsDatabase.Types.isEndSessionType(type)) {
            return emphasisAdded(context.getString(R.string.TheadRecord_secure_session_ended));
        } else if (MmsSmsColumns.Types.isLegacyType(type)) {
            return emphasisAdded(context.getString(R.string.MessageRecord_message_encrypted_with_a_legacy_protocol_version_that_is_no_longer_supported));
        } else {
            if (Util.isEmpty(getBody().getBody())) {
                return new SpannableString(context.getString(R.string.MessageNotifier_no_subject));
            } else {
                return new SpannableString(getBody().getBody());
            }
        }
    }

    private SpannableString emphasisAdded(String sequence) {
        SpannableString spannable = new SpannableString(sequence);
        spannable.setSpan(new StyleSpan(android.graphics.Typeface.ITALIC), 0,
                sequence.length(),
                Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
        return spannable;
    }

    public long getCount() {
        return count;
    }

    public boolean isRead() {
        return read;
    }

    public long getDate() {
        return getDateReceived();
    }

    public int getDistributionType() {
        return distributionType;
    }
}
